Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.

国家一定要有直言进谏的臣子，上级必须有敢于提出反对意见的下级，议论国政的人不停止，各种不同政见的人相互辩论，才可以长久保存国家，使国家兴盛强大。也就是说言论自由是民众的基本权利，每个人都可以提出不同的政见，民众有平等参与政治的权利。

It's not the size of the dog in the fight, it's the size of the fight in the dog.

数学思想的真正考验是它能否激发进一步的思考。

Financial technology should focus on data security and privacy protection, which is the foundation for sustainable development of the industry.